Miniature Circuit Breaker

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Wenzhou
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TT OR LC
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Supply Capability:
10000pcs PCS/month
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Technical Data
◆Number of poles:1,2,3,4,1+N,3+N
◆Nominal current In(A): 1,2,3,4,6,8,10,13,16,20,25,32,40,50,63
◆Characteristics:
◇B The short-circuit release is to be set up to 3 In through 5 In.It serves especially for protection of circuits with such devices which do not cause any current surges(lights or socket circuits etc.)
◇C The short-circuit release is to be set up to 5 In through 10 In.It serves especially for protection of circuits with such devices which cause some current surges(groups of bulbs, motors etc.)
◇D The short-circuit release is to be set up to 10 In through 20 In. It serves especially for protection of circuits with devices which cause high current surges(transformers,double-pole motors,motors with heavy start etc.)
◆Nominal voltage:
◇1P (single-pole)~230/400V 50/60Hz
◇3P (three-pole)~400V 50/60Hz
◆Rupturing capacity:
◇EN60898-10,000A(nominal short-circuit and operational rupturing capacity)
◆Protection:IP40 for a sole MCB with its design, it protects against a hazardous finger or instrument touch as well as against very small foreign objects; It is without any protection against water leakage (water protection is to be solved with design of the switchboard casing)
◆Ambient temperatue: -5oC to +40oC pursuant to EN60898
◆Gauging temperature:+30oC pursuant to EN60898
◆Max.pre-inserted fuse:100AgG(>10kA)
◆Mechanical lifetime:≤20,000 cycles
◆Electrical lifetime:≤8,000 cycles
◆Fastening:By means of an unique snap mechanism(with arrestment in final positions)the carrying DIN strip EN50022,width 35mm, or even onto the falt surface by means of screws.
◆Removal form the DIN strip:
◇By means of an unique auxiliary snap mechanism, the MCB誷 can be removed even from a row of devices mutually interconnected by a forked or reed rack strip without necessity to dismantle the whole interconnecting strip.
◆Input terminals:
◇Clip terminals(with barrier layer), snap-locked against the worse input of a conductor
◇The input and output can be interchanged
◇They enable more conductors as well as interconnecting strips to be connected
◆Connect ability of conductors (Maximum cross-sections):
◇35mm2 solid conductor
◇25mm2 stranded conductor
◆Terminal protection:IP20
◆Tightening moment for terminals
◇2Nm(combined slotted-head screw)
◆Manufacture standard
◇EN60898,same to IEC 60898
◆Selectivity calss:3
◆Colored levers:
For better distinction among circuits in the switchboards,we supply also miniature circuit breaker with distinction of nominal currents by means of colored levers corresponding to the colors of turn fuses
◇0.2A-1.6A(Black)
◇2A(Pink)
◇4A(Brown)
◇6A(Green)
◇8A(Light green)
◇10A(Red)
◇13A(Sandy)
◇16A(Grey)
◇20A(Blue)
◇25A(Yellow)
◇32A(Purple)
◇40A(Black)
◇50A(White)
◇63A(Copper-colored)
◆Can be delivered also with only black levers
◇1-63(Black)


Q:How to distinguish between disconnectors, circuit breakers?
It is a no arc device switch device
Q:Load switch, vacuum switch and circuit breaker
Circuit breaker: not only can be cut off and connected to the load current can also cut off the fault current, such as short circuit current
Q:Does the isolator and circuit breaker able to switch to each other?
When the circuit breaker disconnect the live circuit, the internal contact in the separation of the moment will produce an arc, the higher the voltage or the greater the current, the stronger the arc.
Q:Is the circuit breaker in the circuit necessary?
occasionally short-time overcurrent motor can withstand, but the fuse blown, but also affect the production.
Q:What are the differences between switches and circuit breakers?
the first isolation, and then the circuit breaker; sub-gate, the first disconnect the circuit breaker, and then disconnect the isolation switch.
Q:The difference between the leakage switch of the air switch circuit breaker
Circuit breaker It is a switch function, but also to automatically protect the low-voltage distribution of electrical appliances. Its role is equivalent to the knife switch. Fuse. Thermal relay and other electrical components of the combination
Q:What is the difference between open air and circuit breakers?
The air circuit breaker is a switchgear with a variety of protection functions that can cut and turn on the circuit at rated voltage and rated operating current conditions.
Q:What is the choice of low voltage electrical circuit breaker?
This feature is often useful when the circuit breaker and the system are exposed to the same heat source. In this case, the protection circuit can track the equipment at higher temperatures for enhanced wiring protection requirements
Q:How to choose a circuit breaker for home and small office circuits
Leakage accessory handle. Leakage causes not removed before the small circuit breaker handle and leakage accessory handle can not be reset.
Q:Frame circuit breaker, molded case circuit breaker difference
Molded case circuit breakers and frame breakers are commonly used in circuit breaker products

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